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Fig. 7
Combined s-poor (blue) and s-rich (red) spectra constructed by averaging the spectra for eight s-poor stars (#2544, #2207, #2201, #2801, #1913, #735, #3, #768) and eight s-rich stars (#1924, #2659, #2153, #2414, #2404, #2099, #2607, #729) with similar atmospheric parameters.
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